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TEST BANK for Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John A+ Updated

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TEST BANK for Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John A+ Updated Chapter 01: Introduction to Restorative Dental Materi als Powers Chapter 02: Properties of Materials Powers Chapter 03: Preventive Dental Materials Powers Chapter 04: Direct Esthetic R...

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  • October 27, 2023
  • 247
  • 2023/2024
  • Exam (elaborations)
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By: madisonyoung02 • 5 months ago

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By: ASolution • 5 months ago

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Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John




TEST BANK for Dental Materials:

Foundations and Applications 11th Edition.

by Powers John & Wataha John




Test Bank Page 1

, Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John


Table of Contents



The Nature of Dental Materials

1. Introduction to Restorative Dental Materials

2. Properties of Dental Materials

3. Preventive Dental Materials

4. Direct Esthetic Restorative Materials

5. Dental Amalgam

6. Finishing, Polishing, and Cleansing Materials

7. Cement

8. Impression Materials

9. Model and Die Materials

10. Waxes

11. Casting Alloys, Wrought Alloys, and Solders

12. Casting, Soldering, and Welding

13. Polymers in Prosthodontics

14. Dental Ceramics

15. Dental Implants




Test Bank Page 2

, Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John


MULTIPLE CHOICE



1. For which of the following materials do dimensional changes occur during setting as a result

of a chemical reaction?

a. Elastomeric impression materials

b. Gold restorations

c. Wax patterns

d. A and C

e. B and C

ANS: A



Feedback

A Dimensional changes occur during setting as a result of a chemical reaction with

elastomeric impression materials. Resin composite materials also set as a result

of a chemical reaction and undergo shrinkage.

B Gold restorations undergo dimensional changes from cooling during fabrication.

C Wax patterns undergo dimensional changes from cooling during fabrication.

D A and C are incorrect answers.

E B is an incorrect answer, and C is an incorrect answer.



DIF: Comprehension REF: p. 15 OBJ: 1

TOP: CDA, GC, III. Chairside

Dental Materials (Preparation, Manipulation, and Application)

MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation
Test Bank Page 3

, Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John


of

Materials



2. How is the percentage of dimensional change measured?

a. An original length or volume

b. The final length or volume

c. The compressive strength

d. The tensile strength

e. The shear strength

ANS: A



Feedback

A The dimensional change usually is expressed as a percentage of an original

length or volume, not the final length or volume.

B The dimensional change usually is expressed as a percentage of an original

length or volume, not the final length or volume.

C Compressive strength is a measure of stress that may result when force is applied

to a material.

D Tensile strength is a measure of stress that may result when force is applied to a

material.

E Shear strength is a measure of stress that may result when force is applied to a

material.

DIF: Knowledge REF: p. 15 OBJ: 1

TOP: CDA, GC, III. Chairside Dental Materials (Preparation, Manipulation and Application)
Test Bank Page 4

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